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{- Url downloading, with git-annex user agent and configured http
- headers and wget/curl options.
-
- Copyright 2013-2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Url (
module U,
withUrlOptions,
getUrlOptions,
getUserAgent,
httpAddressesUnlimited,
) where
import Annex.Common
import qualified Annex
import Utility.Url as U
import qualified Build.SysConfig as SysConfig
import qualified Data.Set as S
defaultUserAgent :: U.UserAgent
defaultUserAgent = "git-annex/" ++ SysConfig.packageversion
getUserAgent :: Annex (Maybe U.UserAgent)
getUserAgent = Annex.getState $
Just . fromMaybe defaultUserAgent . Annex.useragent
getUrlOptions :: Annex U.UrlOptions
getUrlOptions = mkUrlOptions
<$> getUserAgent
<*> headers
<*> options
<*> urlschemes
where
headers = do
v <- annexHttpHeadersCommand <$> Annex.getGitConfig
case v of
Just cmd -> lines <$> liftIO (readProcess "sh" ["-c", cmd])
Nothing -> annexHttpHeaders <$> Annex.getGitConfig
options = map Param . annexWebOptions <$> Annex.getGitConfig
urlschemes = ifM httpAddressesUnlimited
( annexAllowedUrlSchemes <$> Annex.getGitConfig
-- Don't allow any url schemes to be used when
-- there's a limit on the allowed addresses, because
-- there is no way to prevent curl or wget from
-- redirecting to any address.
, pure S.empty
)
httpAddressesUnlimited :: Annex Bool
httpAddressesUnlimited =
("all" == ) . annexAllowedHttpAddresses <$> Annex.getGitConfig
withUrlOptions :: (U.UrlOptions -> IO a) -> Annex a
withUrlOptions a = liftIO . a =<< getUrlOptions
|
